forked from NUDT-compiler/nudt-compiler-cpp
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50 lines
1.2 KiB
50 lines
1.2 KiB
declare i32 @getint()
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declare float @getfloat()
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declare i32 @getarray(i32* %arg.a)
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declare i32 @getfarray(float* %arg.a)
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declare i32 @getch()
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declare void @putint(i32 %arg.x)
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declare void @putfloat(float %arg.x)
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declare void @putarray(i32 %arg.n, i32* %arg.a)
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declare void @putfarray(i32 %arg.n, float* %arg.a)
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declare void @putch(i32 %arg.x)
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declare void @starttime()
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declare void @stoptime()
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define void @reverse(i32 %arg.n) {
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entry:
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%t1 = alloca i32
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%t0 = alloca i32
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store i32 %arg.n, i32* %t0
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store i32 0, i32* %t1
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%t2 = load i32, i32* %t0
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%t3 = icmp sle i32 %t2, 1
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%t4 = zext i1 %t3 to i32
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%t5 = icmp ne i32 %t4, 0
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br i1 %t5, label %if.then.1, label %if.else.2
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if.then.1:
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%t6 = call i32 @getint()
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store i32 %t6, i32* %t1
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%t7 = load i32, i32* %t1
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call void @putint(i32 %t7)
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br label %if.end.3
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if.else.2:
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%t9 = call i32 @getint()
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store i32 %t9, i32* %t1
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%t10 = load i32, i32* %t0
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%t11 = sub i32 %t10, 1
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call void @reverse(i32 %t11)
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%t13 = load i32, i32* %t1
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call void @putint(i32 %t13)
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br label %if.end.3
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if.end.3:
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ret void
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}
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define i32 @main() {
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entry:
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%t15 = alloca i32
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store i32 200, i32* %t15
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%t16 = load i32, i32* %t15
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call void @reverse(i32 %t16)
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ret i32 0
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}
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